3x+4x+9=0

Simple and best practice solution for 3x+4x+9=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3x+4x+9=0 equation:


Simplifying
3x + 4x + 9 = 0

Reorder the terms:
9 + 3x + 4x = 0

Combine like terms: 3x + 4x = 7x
9 + 7x = 0

Solving
9 + 7x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + 7x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 7x = 0 + -9
7x = 0 + -9

Combine like terms: 0 + -9 = -9
7x = -9

Divide each side by '7'.
x = -1.285714286

Simplifying
x = -1.285714286

See similar equations:

| -6.25x+265.5=250 | | X+21+4x=-31 | | 6x^2-5y^2=7 | | 3.14-1/cosx= | | Y=10*2-7*-12 | | 100011001110101011000110110101100100000011110010110111101110101x=1 | | a^2-b^2=35 | | 3p-2p+5(24-8)=-13 | | x^2+4xy+y^2+z^2=0 | | (4050-2×x×x×x×x)/81×x×x | | 3x^3-8x^2-8x+3=0 | | (-14x+8)(24x+15)=0 | | 2tgx+1=0 | | (-10x+5)(-11x+17)=0 | | 180-2x+40= | | 3x-27=-11 | | 2x+4-x=7x-6+6 | | (8x-2)*3x-18=(8x-2) | | ((x^2)-2x-10)=0 | | ((x^2)-2x-10)=14/3 | | 3((x^2)-2x-10)=14 | | 10n-9=31 | | logx-1(32)=5 | | 2sinx+2cosx=1 | | cos(7x)-cos(x)=0 | | 3cos(x)-cos(x)=0 | | -3(2n-4)-18=-6n+x | | 1harmbe+1harmbe=2 | | 1equation+2solver=12424 | | 69x+69n=142 | | 12n-21424n=123 | | 2/4x2/5 |

Equations solver categories